NL Master Specification Guide
for Public Funded Buildings
Section 23 82 21 – Incremental Heating and Cooling Units
Issued 2008/03/18
PART 1
GENERAL
1.1
SUMMARY
.1
Section includes:
.1
1.2
Page 1 of 5
Materials and installation for electrical incremental heating and cooling units
and accessories.
RELATED SECTIONS
.1
Section 01 33 00 – Submittal Procedures.
.2
Section 01 35 29.06 – Health and Safety Requirements.
.3
Section 01 45 00 – Quality Control
.4
Section 01 74 21 – Construction / Demolition Waste Management and Disposal.
.5
Section 01 78 00 – Closeout Submittals.
.6
Section 23 09 33 – Electric and Electronic Control System for HVAC.
.7
Section 26 05 00 – Common Work Results - Electrical.
1.3
REFERENCES
.1
Health Canada / Workplace Hazardous Materials Information System (WHMIS)]
.1
.2
American Society of Heating, Refrigeration and Air-Conditioning Engineers (ASHRAE)
.1
1.4
Material Safety Data Sheets (MSDS)
ASHRAE 58 – Method of Testing for Rating Room Air Conditioner and
Packaged Terminal Air Conditioning Heating Capacity.
SUBMITTALS
.1
Submittals in accordance with Section 01 33 00 - Submittal Procedures.
.1
.2
Method of Testing for Rating Room Air-Conditioner and Packaged Terminal
Air-Conditioning Heating Capacity.
Product Data:
.1
Submit manufacturer's printed product literature, specifications and datasheet
for electric incremental heating and cooling units and accessories. Include
information as follows:
.1
Replacement data for motor element, thermostat and switch.
.2
Mounting methods.
.3
kW rating.
NL Master Specification Guide
for Public Funded Buildings
Section 23 82 21 – Incremental Heating and Cooling Units
Issued 2008/03/18
.2
Page 2 of 5
.4
Cabinet material thicknesses.
.5
Physical size.
.6
Finish.
.7
Cabinet surface temperature.
.8
Thermostat, transformer, controls where integral.
.9
Installation instructions.
Submit WHMIS MSDS in accordance with Section 02 62 00.01 - Hazardous
Materials. Indicate VOC's for adhesive and solvents during application and
curing.
.3
Test Reports: submit certified test reports from approved independent testing
laboratories indicating compliance with specifications for specified performance
characteristics and physical properties.
.4
Certificates: submit certificates signed by manufacturer certifying that materials comply
with specified performance characteristics and physical properties.
.5
Instructions: submit manufacturer's installation instructions.
.6
Manufacturer's Field Reports: manufacturer's field reports specified.
.7
Closeout submittals: submit maintenance and engineering data for incorporation into
manual specified in Section 01 78 00 - Closeout Submittals.
1.5
QUALITY ASSURANCE
.1
Pre-Installation Meeting:
.1
.2
Health and Safety:
.1
1.6
Convene pre-installation meeting one week prior to beginning work of this
Section and on-site installations.
.1
Verify project requirements.
.2
Review installation and substrate conditions.
.3
Co-ordination with other building subtrades.
.4
Review manufacturer's installation instructions and warranty
requirements.
Do construction occupational health and safety in accordance with Section
01 35 29.06 - Health and Safety Requirements.
DELIVERY, STORAGE AND HANDLING
.1
Waste Management and Disposal:
.1
.2
Separate waste materials for reuse and recycling in accordance with Section
01 74 21 - Construction/Demolition Waste Management and Disposal.
Remove from site and dispose of packaging materials at appropriate recycling
facilities.
NL Master Specification Guide
for Public Funded Buildings
Section 23 82 21 – Incremental Heating and Cooling Units
Issued 2008/03/18
.3
.4
.5
.6
Collect and separate for disposal, paper, plastic, polystyrene, corrugated
cardboard, packaging material in appropriate on-site bins for recycling in
accordance with Waste Management Plan (WMP).
Separate for reuse and recycling and place in designated containers steel, metal,
plastic waste in accordance with Waste Management Plan (WMP).
Handle and dispose of hazardous materials in accordance with Canadian
Environmental Protection Act (CEPA), Transportation of Dangerous Goods
Act (TDGA), Regional and Municipal, regulations.
Divert unused metal materials from landfill to metal recycling facility as
approved by Owner’s Representative.
PART 2
PRODUCTS
2.1
HEATING/COOLING UNITS
.1
Housing:
.1
.2
.3
.4
.5
.6
.2
.2
.3
.4
One or Separate permanent split phase capacitor motors for condensing and
evaporator section.
Compressor.
Electric Heating Coil.
Condenser Fan.
Controls:
.1
.4
Wall box: 1.2 mm thick , zinc coated.
Supply air grille anodized finish extruded aluminum.
Cabinetry: 1.2 mm thick.
Acoustic lining.
Interior cabinet panel: 1.2 mm thick baked enamel paint , complete with supply
grille.
Manually-controlled fresh air damper.
Major Components:
.1
.3
Silent operating relays for fan, compressor and heater.
Unit Capacities: as indicated.
.1
Cooling capacity based on 35°C DB and 19°C WB.
.5
Compressor sealed, internally spring mounted, vibration isolated.
.6
Electric Coil:
.1
.2
.7
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Helix wound nichrome heating coils.
Incoloy sheathed elements.
Prewired for connection to a single receptacle or outlet box.
NL Master Specification Guide
for Public Funded Buildings
Section 23 82 21 – Incremental Heating and Cooling Units
Issued 2008/03/18
.8
Condenser fan centrifugal or propeller, evaporator fan, dual speed centrifugal.
.9
Controls:
.1
.2
.10
Thermostat: unit mounted or remote as indicated.
Pushbuttons: Off, High, Medium, Low, Cool, Heat, Unit Open, Unit Closed.
Washable air filters arranged for easy removal.
PART 3
EXECUTION
3.1
MANUFACTURER’S INSTRUCTIONS
.1
3.2
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Compliance: comply with manufacturer's written recommendations or specifications,
including product technical bulletins, handling, storage and installation instructions, and
datasheet.
INSTALLATION
.1
Install in accordance with manufacturer's written instructions.
.2
Make power and control connections.
.3
Ensure positive contact between condenser frame and exterior louvre to prevent crossventilation of supply and discharge air.
3.3
CLEANING
.1
Perform cleaning operations as specified in Section and in accordance with
manufacturer's recommendations.
.2
On completion and verification of performance of installation, remove surplus materials,
excess materials, rubbish, tools and equipment.
3.4
COMMISSIONING
.1
Perform tests in accordance with Section 26 05 00 – Common Work Results - Electrical
and Section 01 91 13 – General Commissioning (Cx) Requirements.
.2
Set controls and operate each unit.
.3
Take readings and record:
.1
.2
.3
Current.
Air velocity at discharge.
Discharge air temperature.
Issued 2008/03/18
END OF SECTION
NL Master Specification Guide
for Public Funded Buildings
Section 23 82 21 – Incremental Heating and Cooling Units
Page 5 of 5